Finding the Fourth Proportional to 10,901,154.40, 16,351,731.60 and 8,775,390.40
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Solution
The fourth proportional to 10,901,154.40, 16,351,731.60 and 8,775,390.40 is: 13,163,085.60
Step by Step Solution
- Step 1: Write the proportion equation
10,901,154.40 : 16,351,731.60 = 8,775,390.40 : x - Step 2: Convert to fraction form
10,901,154.40/16,351,731.60 = 8,775,390.40/x - Step 3: Cross multiply
10,901,154.40x = 16,351,731.60 × 8,775,390.40 - Step 4: Simplify right side
10,901,154.40x = 143,492,828,506,016.66 - Step 5: Solve for x
x = 143,492,828,506,016.66/10,901,154.40 - Step 6: Final answer
x = 13,163,085.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.